1344403456 has 96 divisors (see below), whose sum is σ = 2971987200. Its totient is φ = 602890240.

The previous prime is 1344403447. The next prime is 1344403457. The reversal of 1344403456 is 6543044431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344403457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869465 + ... + 1870183.

It is an arithmetic number, because the mean of its divisors is an integer number (30958200).

Almost surely, 2^1344403456 is an apocalyptic number.

1344403456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1344403456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1485993600).

1344403456 is an abundant number, since it is smaller than the sum of its proper divisors (1627583744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1344403456 is an equidigital number, since it uses as much as digits as its factorization.

1344403456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 1344403456 is about 36666.1077290732. The cubic root of 1344403456 is about 1103.6800865395.

Adding to 1344403456 its reverse (6543044431), we get a palindrome (7887447887).

The spelling of 1344403456 in words is "one billion, three hundred forty-four million, four hundred three thousand, four hundred fifty-six".